<template>
  <div>
    <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
      <el-form-item label="部门名称" prop="name">
        <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
          <el-option v-for="item in employeeList" :key="item.id" :value="item.username" :label="item.username" />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="$emit('close')">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import { getEmployeesSimple } from '@/api/employees'
import { addDepartments, getDepartmentDetail, updateDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    validList: {
      type: Array,
      required: true
    }
  },
  data() {
    const validCode = (rule, value, callback) => {
      let dataCodes = this.validList.map(item => item.code)
      // console.log(dataCodes)
      // 如果是 编辑 就排除掉自己的code
      if (this.isEdit) {
        dataCodes = this.validList.filter(item => item.id !== this.id).map(item => item.code)
      }
      if (dataCodes.includes(value)) {
        callback(new Error('部门编码重复'))
      } else {
        callback()
      }
    }
    const validName = (rule, value, callback) => {
      let dataNames = this.validList.filter(item => item.pid === this.id).map(item => item.name)
      // console.log(dataNames)
      if (this.isEdit) {
        // 找出 当前点击的 对象
        const curObj = this.validList.find(item => item.id === this.id)
        // 筛选出 所有 同级对象
        const brothers = this.validList.filter(item => item.pid === curObj.pid)
        // 排除自己
        dataNames = brothers.filter(item => item.id !== this.id).map(item => item.name)
      }
      if (dataNames.includes(value)) {
        callback(new Error('部门名称重复'))
      } else {
        callback()
      }
    }
    return {
      form: {
        name: '',
        code: '',
        manager: '',
        introduce: ''
      },
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入1~50个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '请输入1~50个字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: ['blur', 'change'] }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 300, message: '请输入1~300个字符', trigger: 'blur' }
        ]
      },
      employeeList: []
    }
  },
  created() {
    this.loadEmployeesSimple()
    if (this.isEdit) this.loadDepartmentDetail()
  },
  methods: {
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    async loadDepartmentDetail() {
      try {
        const res = await getDepartmentDetail(this.id)
        // console.log(res)
        if (res.code !== 10000) return this.$message.warning(res.message)
        this.$message.success(res.message)
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    async hSubmit() {
      // 兜底校验
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        // 判断点击的是编辑还是修改
        this.isEdit ? this.dEdit() : this.dAdd()
      })
    },
    async dAdd() {
      const res = await addDepartments({ ...this.form, pid: this.id })
      // console.log(res)
      if (res.code !== 10000) return this.$message.warning(res.message)
      this.$message.success(res.message)
      this.$emit('success')
    },
    async dEdit() {
      try {
        const res = await updateDepartments(this.form)
        // console.log(res)
        if (res.code !== 10000) return this.$message.warning(res.message)
        this.$message.success(res.message)
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    async loadEmployeesSimple() {
      try {
        const res = await getEmployeesSimple()
        // console.log(res)
        if (res.code === 10000) this.employeeList = res.data
      } catch (error) {
        console.log(error)
      }
    }
  }
}
</script>
